Home / 202,425.32-279,371.54-117,542.38

Finding the Fourth Proportional to 202,425.32, 279,371.54 and 117,542.38

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Solution

The fourth proportional to 202,425.32, 279,371.54 and 117,542.38 is: 162,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,425.32 : 279,371.54 = 117,542.38 : x
  2. Step 2: Convert to fraction form
    202,425.32/279,371.54 = 117,542.38/x
  3. Step 3: Cross multiply
    202,425.32x = 279,371.54 × 117,542.38
  4. Step 4: Simplify right side
    202,425.32x = 32,837,993,731.30
  5. Step 5: Solve for x
    x = 32,837,993,731.30/202,425.32
  6. Step 6: Final answer
    x = 162,222.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.